216259968

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 128

約数和(自身を含む): 610237440

約数和(自身を除く): 393977472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 48, 62, 64, 74, 93, 96, 111, 124, 128, 148, 186, 192, 222, 248, 296, 372, 384, 444, 491, 496, 592, 744, 888, 982, 992, 1147, 1184, 1473, 1488, 1776, 1964, 1984, 2294, 2368, 2946, 2976, 3441, 3552, 3928, 3968, 4588, 4736, 5892, 5952, 6882, 7104, 7856, 9176, 11784, 11904, 13764, 14208, 15221, 15712, 18167, 18352, 23568, 27528, 30442, 31424, 36334, 36704, 45663, 47136, 54501, 55056, 60884, 62848, 72668, 73408, 91326, 94272, 109002, 110112, 121768, 145336, 146816, 182652, 188544, 218004, 220224, 243536, 290672, 365304, 436008, 440448, 487072, 563177, 581344, 730608, 872016, 974144, 1126354, 1162688, 1461216, 1689531, 1744032, 1948288, 2252708, 2325376, 2922432, 3379062, 3488064, 4505416, 5844864, 6758124, 6976128, 9010832, 13516248, 18021664, 27032496, 36043328, 54064992, 72086656, 108129984, 216259968]

約数ペア:

[(1, 216259968), (2, 108129984), (3, 72086656), (4, 54064992), (6, 36043328), (8, 27032496), (12, 18021664), (16, 13516248), (24, 9010832), (31, 6976128), (32, 6758124), (37, 5844864), (48, 4505416), (62, 3488064), (64, 3379062), (74, 2922432), (93, 2325376), (96, 2252708), (111, 1948288), (124, 1744032), (128, 1689531), (148, 1461216), (186, 1162688), (192, 1126354), (222, 974144), (248, 872016), (296, 730608), (372, 581344), (384, 563177), (444, 487072), (491, 440448), (496, 436008), (592, 365304), (744, 290672), (888, 243536), (982, 220224), (992, 218004), (1147, 188544), (1184, 182652), (1473, 146816), (1488, 145336), (1776, 121768), (1964, 110112), (1984, 109002), (2294, 94272), (2368, 91326), (2946, 73408), (2976, 72668), (3441, 62848), (3552, 60884), (3928, 55056), (3968, 54501), (4588, 47136), (4736, 45663), (5892, 36704), (5952, 36334), (6882, 31424), (7104, 30442), (7856, 27528), (9176, 23568), (11784, 18352), (11904, 18167), (13764, 15712), (14208, 15221)]